This is a theme for CM10 & AOKP,its purpose is to enhance the Android UI without compromising the vanilla look.
The inverted version features the following inverted apps: Contacts, Messaging, Gmail, Email, Calendar, Google Now, Google Talk and Play Store.

Stock battery is available as “circle” in settings for AOKP/Liquid.

HOW TO APPLY:
Install the app, go to settings/themes of your ROM, select system theme and REBOOT. After that apply this theme and reboot again.